A patient is reported, who suffered from ovarian abscess after ovarian punc
ture of a functional ovarian cyst. The cyst has developed after administrat
ion of a GnRH agonist depot preparation in the preceeding luteal phase. She
was planned to be stimulated for IVF according to the long luteal protocol
. The abscess was removed by laparoscopy, and stimulation started two month
s later after administration of two further GnRH against depot preparations
. The patient got pregnant after embryo transfer of three embryos, and a he
terotopic triplet pregnancy, with intrauterine twins and a tubal singleton
was established. Bilateral salpingectomy was performed, because of bilatera
l haematosalpinx and previously described bilateral tubal occlusion. The fu
rther pregnancy was uncomplicated.